Hybrid Tea Rose plant named ‘Schrenat’

ABSTRACT

A new and distinct Hybrid Tea Rose plant named ‘Schrenat’, characterized by its glossy dark green leaves; freely branching habit; plants thornless; dark pink-colored flowers; and good postproduction longevity.

Botanical classification/cultivar designation: Rosa hybrida cultivar Schrenat.

BACKGROUND OF THE INVENTION

The present invention relates to a new and distinct cultivar of Hybrid Tea Rose plant, botanically known as Rosa hybrida, commercially produced as a cut flower, and hereinafter referred to by the name ‘Schrenat’.

The new cultivar is a product of a planned breeding program conducted by the Inventor in De Kwakel, The Netherlands. The objective of the breeding program was to develop new spray-type cut Rose cultivars with attractive flower petal colors, long and strong stems, and good postproduction longevity.

The new cultivar originated from a cross-pollination made by the Inventor in 1997 of two unnamed proprietary selections, not patented. The cultivar Schrenat was discovered and selected by the Inventor as a flowering plant within the progeny of the stated cross-pollination in a controlled environment in De Kwakel, The Netherlands.

Since 1998, asexual reproduction of the new cultivar by cuttings in De Kwakel, The Netherlands has shown that the unique features of the new cultivar are stable and reproduced true to type in successive generations of asexual reproduction.

SUMMARY OF THE INVENTION

The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Schrenat’. These characteristics in combination distinguish the new Hybrid Tea Rose as a new and distinct cultivar:

-   -   1. Glossy dark green leaves.     -   2. Freely branching habit; plants thornless.     -   3. Dark pink-colored flowers.     -   4. Good postproduction longevity.

Plants of the Hybrid Tea Rose differ primarily from plants of the parent selections in flower color.

Plants of the Hybrid Tea Rose can be compared to plants of the cultivar Schosonne, not patented. In side-by-side comparisons conducted in De Kwakel, The Netherlands, plants of the new cultivar differed from plants of the cultivar Schosonne in the following characteristics:

-   -   1. Plants of the new Hybrid Tea Rose were shorter than plants of         the cultivar Schosonne.     -   2. Flowering stems of plants of the new Hybrid Tea Rose did not         have thorns whereas flowering stems of plants of the cultivar         Schosonne had thorns.     -   3. Plants of the new Hybrid Tea Rose were more freely flowering         than plants of the cultivar Schosonne.     -   4. Flowers of plants of the new Hybrid Tea Rose had more petals         than flowers of plants of the cultivar Schosonne.     -   5. Flower color of plants of the new Hybrid Tea Rose was darker         than flower color of plants of the cultivar Schosonne.

Plants of the new Hybrid Tea Rose have not been observed under all possible environmental conditions. The phenotype may vary significantly with variations in environment such as temperature and light intensity without, however, any variance in genotype.

BRIEF DESCRIPTION OF PHOTOGRAPH

The accompanying colored photograph illustrates the new Hybrid Tea Rose plant, showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photograph may differ slightly from the color values cited in the detailed botanical description which accurately describe the colors of the new Hybrid Tea Rose. The photograph comprises a top perspective view of a typical flowering stem of the new Hybrid Tea Rose.

DETAILED BOTANICAL DESCRIPTION

The aforementioned photograph and following observations and measurements describe cut flowering stems of plants grown in De Kwakel, The Netherlands, in a glass-covered greenhouse with day and night temperatures about 19 and 15° C., respectively. Flowering stems used in the photograph and the description were about five months old and had been pruned. In the following description, color references are made to The Royal Horticultural Society Colour Chart, 1995 Edition, except where general terms of ordinary dictionary significance are used.

-   Botanical classification: Rosa hybrida cultivar Schrenat. -   Commercial classification: Hybrid Tea Rose used as a cut flower. -   Parentage:     -   -   Female, or seed, parent.—Unidentified Rosa hybrida             proprietary selection, not patented.         -   Male, or pollen, parent.—Unidentified Rosa hybrida             proprietary selection, not patented. -   Propagation:     -   -   Type.—By cuttings grafted onto rootstocks. Typically the             Rosa canina cultivar Inermis, not patented, is used as the             rootstock. -   Plant description:     -   -   Form/growth habit.—Upright and somewhat outwardly spreading;             vigorous.         -   Productivity.—In The Netherlands and at a planting density             of seven plants per square meter, productivity is about 180             to 200 flowering stems per square meter per year.         -   Plant height.—About 85 cm.         -   Plant diameter or spread: About 100 cm.         -   Lateral branches (flowering stems).—Quantity per pruned             plant: Freely branching, about eleven. Lateral branch             length: About 85 cm; stems initially grow outwardly before             becoming erect. Lateral branch diameter: About 6 mm.             Internode length: About 3.5 cm. Texture: Smooth, glabrous.             Strength: Strong. Aspect: Erect. Color: 137C. Thorns: None             observed; plants thornless.         -   Foliage description.—Arrangement: Alternate; compound with             about three, five or seven leaflets per leaf. Quantity of             leaves per lateral branch: About 13. Leaf length             (seven-leaflet leaf): About 13 to 15 cm. Leaf width             (seven-leaflet leaf): About 10 to 12 cm. Terminal leaflet             length: About 8.5 cm. Terminal leaflet width: About 5.5 cm.             Lateral leaflet length: About 6 cm. Terminal leaflet width:             About 3.5 cm. Leaflet shape: Ovate. Leaflet apex: Acuminate.             Leaflet base: Obtuse. Leaflet margin: Serrulate. Leaflet             texture, upper and lower surfaces: Smooth, leathery,             glabrous. Leaflet venation pattern: Pinnate. Leaf petiole             length: About 1.75 cm. Leaf petiole diameter: About 1.5 mm.             Leaflet petiole length: About 3.5 cm. Leaflet petiole             diameter: About 1 mm. Stipules: Quantity: Two at base of             petiole. Length: About 1.5 cm. Width: About 5 mm. Texture,             upper and lower surfaces: Smooth, leathery, glabrous. Color:             Young and fully expanded foliage, upper surface: 137A. Young             and fully expanded foliage, lower surface: 191A. Venation,             upper surface: 146B. Venation, lower surface: 147D. Leaf and             leaflet petiole, upper and lower surfaces: 146B. Stipules,             upper surface: 137A. Stipules, lower surface: 137C. -   Flower description:     -   -   Flower type and habit.—Consistently symmetrical double             flowers; petals arranged in rosettes. Flowers arranged             singly at terminals. Petals not persistent; receptacles             persistent.         -   Flowering season/time to flower.—Year-round under greenhouse             conditions.         -   Flower diameter, fully opened.—About 10 to 15 cm.         -   Flower depth (height), fully opened.—About 5.5 cm.         -   Flower longevity as a cut flower.—About two weeks.         -   Flower longevity on the plant.—About three weeks.         -   Fragrance.—Slight, sweet, typical of Rosa.         -   Flower buds.—Shape: Ovoid. Length: About 3.5 cm. Diameter:             About 2.5 cm. Color: 73C.         -   Petals.—Quantity per flower: About 37. Length: About 4 to             7.5 cm. Width: About 4.3 to 7.3 cm. Shape: Obovate. Apex:             Rounded. Margin: Entire. Texture, upper and lower surfaces:             Smooth, glabrous, satiny. Aspect: Initially upright and             reflexing with development. Color: When opening, upper             surface: 68A; towards the base, 4D. When opening, lower             surface: 73B; towards the base, 4D. Fully opened, upper             surface: 74C; towards the base, 4D; color fading to 74D with             subsequent development. Fully opened, lower surface: 73B;             towards the base, 4D.         -   Sepals.—Quantity per flower: About five. Length: About             3.5 cm. Width: About 1.1 cm. Shape: Lanceolate. Apex:             Apiculate. Base: Cuneate; fused at receptacle. Margin:             Ciliate. Texture, upper and lower surfaces: Satiny;             pubescent. Color, upper surface: 144A. Color, lower surface:             138A.         -   Reproductive organs.—Stamens: Quantity per flower:             About 110. Anther length: About 3 mm. Anther diameter: About             1 mm. Anther shape: Elliptic. Anther color: 8C. Filament             color: 4C. Pollen: None observed. Pistils: Quantity per             flower: About 150. Pistil length: About 6 mm. Style length:             About 2 mm. Style color: 4D. Stigma shape: Bi-lobed. Stigma             color: 42B. Receptacle height: About 1.2 cm. Receptacle             diameter: About 1.3 cm. Receptacle color: 144A.         -   Seed/fruit.—None observed. -   Disease/pest resistance: Plants of the new Hybrid Tea Rose have not     been observed to be resistant to pathogens and pests common to Rosa. 

1. A new and distinct Hybrid Tea Rose plant named ‘Schrenat’, as illustrated and described. 